Home / 347,283.50-520,251.22-255,933

Finding the Fourth Proportional to 347,283.50, 520,251.22 and 255,933

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Solution

The fourth proportional to 347,283.50, 520,251.22 and 255,933 is: 383,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,283.50 : 520,251.22 = 255,933 : x
  2. Step 2: Convert to fraction form
    347,283.50/520,251.22 = 255,933/x
  3. Step 3: Cross multiply
    347,283.50x = 520,251.22 × 255,933
  4. Step 4: Simplify right side
    347,283.50x = 133,149,454,208.60
  5. Step 5: Solve for x
    x = 133,149,454,208.60/347,283.50
  6. Step 6: Final answer
    x = 383,402.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.